/**********
This library is free software; you can redistribute it and/or modify it under
the terms of the GNU Lesser General Public License as published by the
Free Software Foundation; either version 3 of the License, or (at your
option) any later version. (See <http://www.gnu.org/copyleft/lesser.html>.)

This library is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for
more details.

You should have received a copy of the GNU Lesser General Public License
along with this library; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301  USA
**********/
// "liveMedia"
// Copyright (c) 1996-2018 Live Networks, Inc.  All rights reserved.
// H.261 Video RTP Sources
// C++ header

#ifndef _H261_VIDEO_RTP_SOURCE_HH
#define _H261_VIDEO_RTP_SOURCE_HH

#ifndef _MULTI_FRAMED_RTP_SOURCE_HH

#include "MultiFramedRTPSource.hh"

#endif

class H261VideoRTPSource : public MultiFramedRTPSource {
public:
    static H261VideoRTPSource *
    createNew(UsageEnvironment &env, Groupsock *RTPgs,
              unsigned char rtpPayloadFormat = 31,
              unsigned rtpTimestampFrequency = 90000);

    u_int32_t lastSpecialHeader() const { return fLastSpecialHeader; }

protected:
    virtual ~H261VideoRTPSource();

private:
    H261VideoRTPSource(UsageEnvironment &env, Groupsock *RTPgs,
                       unsigned char rtpPayloadFormat,
                       unsigned rtpTimestampFrequency);
    // called only by createNew()

private:
    // redefined virtual functions:
    virtual Boolean processSpecialHeader(BufferedPacket *packet,
                                         unsigned &resultSpecialHeaderSize);

    virtual char const *MIMEtype() const;

private:
    u_int32_t fLastSpecialHeader;
};

#endif
